Diff: main.cpp

Revision:

0:1cc57e14d42f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jul 29 21:00:51 2015 +0000
@@ -0,0 +1,46 @@
+#include "mbed.h" 
+#include "arduino.h" 
+using namespace std;
+DigitalOut myled(LED1);
+
+// constants: 
+DigitalIn sensorPin1(p5);
+// variables:   
+int counter = 0;
+// counter for the number of products passing through   
+int sensorState1 = 0;
+// current state of the sensor   
+int lastSensorState1 = 0;
+// previous state of the sensor 
+// initialize serial communication:   
+Serial pc(USBTX, USBRX);
+Serial.baud(9600);
+
+int main()
+{
+    while(1)
+    {
+        // read the pushbutton input pin:       
+        sensorState1 = digitalRead(sensorPin1);
+        // compare the buttonState to its previous state         
+        if (sensorState1 != lastSensorState1)
+        {
+            // if the state has changed, check to see if it is a change from high to low or low to high             
+            if (sensorState1 == HIGH)
+            {
+                // if the current state is HIGH then increment the counter                        
+                counter++;
+                Serial.println(counter);
+            }
+            else
+            {
+                // if the current state is LOW then the button       
+                Serial.println(counter);
+            }
+        }
+        // save the current state as the last state,    
+        //for next time through the loop   
+        lastSensorState1 = sensorState1;
+        //pause to aviod spikes   delay(20);
+    }
+}
\ No newline at end of file